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EP 0 728 178 A1

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(43) Date of publication: 28.08.1996 Bulletin 1996/35 (21) Application number: 94929545.0 (22) Date of filing: 13.10.1994

(51) International Patent Classification (IPC):  D06M 13/ 46( . ) C11D 3/ 00( . ) D06M 13/ 322( . ) C11D 1/ 90( . ) C11D 1/ 94( . ) D06M 13/ 02( . ) C11D 1/ 62( . ) (86) International application number: PCT/EP1994/003388 (87) International publication number: WO 1995/013346 (18.05.1995 Gazette 1995/21)

(84) Designated Contracting States: CH DE ES FR GB IT LI NL SE (30) Priority: 11.11.1993 GB 19930023268 (71) Applicants: UNILEVER PLC London EC4P 4BQ (GB) UNILEVER N.V. 3013 AL Rotterdam (NL)

(72) Inventors: FRASER, Stuart, Bernard Wirral Merseyside L64 4DH (GB) NEILLIE, William, Frederick, Soutar Caldy Wirral Merseyside L48 2JT (GB) NESS, Jeremy, Nicholas Canterbury Kent CT4 7JN (GB) THORPE, Jacqueline, Marie Rotherham South Yorkshire S60 4HB (GB) (74) Representative: Mole, Peter Geoffrey, et al  UNILEVER PLC Patent Division Colworth House Sharnbrook Bedford MK44 1LQ Bedford MK44 1LQ (GB)